Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 140, NWS Cleveland, OH

July 27, 2002Seneca County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 27, 2002, 8:41 PM EDT for Seneca County, Ohio. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 27, 2002, 8:41 PM EDT (00:41 UTC)
Expired
Jul 27, 2002, 9:15 PM EDT
In force
34 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Seneca County, OH

The radar

The Cleveland radar (KCLE), 111 km from the middle of the area, began a volume at 00:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 27, 8:50 PM EDTHail 0.75Tiffin, OHDime size hail was observed four miles north of Tiffin.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.7 hours before the alert went out and 179 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2002-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 269 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2002-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
269 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

390 
WUUS51 KCLE 280041
SVRCLE
OHC147-280115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
841 PM EDT SAT JUL 27 2002

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SENECA COUNTY IN OHIO...

* UNTIL 915 PM EDT

* AT 841 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES NORTHWEST OF TIFFIN...MOVING NORTHEAST
  AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  TIFFIN

DAMAGING WINDS IN EXCESS OF 58 MPH ARE EXPECTED FROM THIS STORM. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CLEVELAND.

$$

LOMBARDY

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 8:12 PM EDTTornado WarningCLELucas48 min
Jul 27, 9:21 PM EDTSevere Thunderstorm WarningCLESandusky54 min
Jul 27, 9:49 PM EDTSpecial Marine WarningCLE116 min
Jul 27, 9:59 PM EDTSpecial Marine WarningCLE106 min
Jul 27, 9:59 PM EDTSpecial Marine WarningCLE106 min
Jul 27, 10:12 PM EDTSevere Thunderstorm WarningCLEErie63 min
Jul 27, 11:31 PM EDTSpecial Marine WarningCLE119 min
Jul 27, 11:31 PM EDTSpecial Marine WarningCLE119 min
Jul 28, 12:24 AM EDTSpecial Marine WarningCLE2 hr
Jul 28, 1:11 AM EDTSevere Thunderstorm WarningCLEAshtabula64 min
Jul 28, 4:39 PM EDTSpecial Marine WarningCLE2 hr
Jul 28, 4:39 PM EDTSpecial Marine WarningCLE2 hr
Jul 28, 6:49 PM EDTSevere Thunderstorm WarningCLECuyahoga41 min
Jul 28, 7:21 PM EDTSpecial Marine WarningCLE114 min
Jul 28, 7:21 PM EDTSpecial Marine WarningCLE114 min
Jul 28, 7:21 PM EDTSpecial Marine WarningCLE114 min
Jul 28, 7:46 PM EDTSevere Thunderstorm WarningCLEOttawa59 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.